thegreatone has discovered some vulnerabilities in PHP Surveyor, which can be exploited by malicious users to conduct SQL injection attacks.
Input passed to the "sid", "start", "id" and "lid" parameters isn't properly sanitised before being used in a SQL query. This can be exploited to manipulate SQL queries by injecting arbitrary SQL code.
Successful exploitation requires access to the "admin/" directory (typically administrative privileges if security is enabled in PHP Surveyor).
It is also possible to disclose the full path to certain scripts.
The vulnerabilities have been confirmed in version 0.98. Other versions may also be affected.
Solution: Grant only trusted users access to the "admin/" directory.
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